vascular plants see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998)
   euphyllophytes see Clade Euphyllophyta Lecointre & Le Guyader 2006 [Cantino & Donoghue 2020]
     monilophytes - ferns see Clade Monilophyta Cantino & Donoghue 2007 [Doyle, Cantino & Donoghue 2020]
       Class Polypodiopsida Cronquist, Takht. & Zimmerm. (1966) - ferns
         core leptosporangiates
           Order Polypodiales Link (1833) - cathetogyrates
             eupolypods
               eupolypods I see Suborder Polypodiineae Dumort. (1829)
                 ?Family Lomariopsidaceae Alston (1956) - lomariopsids
                   1 Genus Cyclopeltis J.Sm. (1846)
                   2 Genus Lomariopsis Fée (1845)
                   3 ?Genus Nephrolepis Schott (1834)
                   4 Genus Thysanosoria Gepp (1917)